3u-u+4u+2u-u=7

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Solution for 3u-u+4u+2u-u=7 equation: 


Simplifying
3u + -1u + 4u + 2u + -1u = 7

Combine like terms: 3u + -1u = 2u
2u + 4u + 2u + -1u = 7

Combine like terms: 2u + 4u = 6u
6u + 2u + -1u = 7

Combine like terms: 6u + 2u = 8u
8u + -1u = 7

Combine like terms: 8u + -1u = 7u
7u = 7

Solving
7u = 7

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Divide each side by '7'.
u = 1

Simplifying
u = 1

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